chromaffin tissue a tissue composed largely of chromaffin cells, well supplied with nerves and vessels; it occurs in the adrenal medulla and also forms the paraganglia of the body. cicatricial tissue the dense fibrous tissue forming a cicatrix, derived directly from granulation tissue; called also scar tissue.
No. Unemployment, Social Security, retirement benefits, 401K pay outs, etc are not considered earned income for the purpose of calculating earned income credits.
Here are the types of income that do not count as earned income: 1  Interest and dividends. 2  Retirement income, including Social Security benefits. 3  Unemployment benefits.  Alimony or child 1  support. Pay for work while an inmate in a jail or prison.